package com.qf.common.core.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class SpringBeanUtils implements ApplicationContextAware {

    /**
     * Spring应用上下文对象
     */
    private static ApplicationContext applicationContext = null;

    /**
     * 注入上下文对象
     *
     * @param applicationContext
     * @throws BeansException
     */
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        SpringBeanUtils.applicationContext = applicationContext;
    }

    /**
     * 根据名称获取bean对象
     *
     * @param name
     * @param <T>
     * @return
     * @throws BeansException
     */
    public static <T> T getBean(String name) {
        return (T) applicationContext.getBean(name);
    }

    /**
     * 根据类型获取bean对象
     *
     * @param clz
     * @param <T>
     * @return
     */
    public static <T> T getBean(Class<T> clz) {
        T result = (T) applicationContext.getBean(clz);
        return result;
    }

}
